隱生宙 Save Sign in to save words Simplified: 隐生宙 yǐnshēngzhòu ㄧㄣˇ ㄕㄥ ㄓㄡˋ Cryptozoic geological eon before the appearance of abundant fossils hidden life, as opposed to Phanerozoic Character by character 隱(yǐn)secret 生(shēng)grow 宙(zhòu)eternity A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0